Home / 238,519.13-328,959.23-161,912.30

Finding the Fourth Proportional to 238,519.13, 328,959.23 and 161,912.30

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Solution

The fourth proportional to 238,519.13, 328,959.23 and 161,912.30 is: 223,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,519.13 : 328,959.23 = 161,912.30 : x
  2. Step 2: Convert to fraction form
    238,519.13/328,959.23 = 161,912.30/x
  3. Step 3: Cross multiply
    238,519.13x = 328,959.23 × 161,912.30
  4. Step 4: Simplify right side
    238,519.13x = 53,262,543,081.17
  5. Step 5: Solve for x
    x = 53,262,543,081.17/238,519.13
  6. Step 6: Final answer
    x = 223,305.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.